Vertebral coplanar alignment technique versus bilateral apical vertebral derotation technique in neuromuscular scoliosis
Author
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Weissmann Marcuson, Karen Andrea
Author
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Barrios, Carlos
Author
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Lafage, Virginie
Author
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Lafage, Renaud
Author
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Costa, Marcelo A.
Author
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Álvarez, Diego
Author
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Huaiquilaf Salazar, Carlos Manuel
Author
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Ang, Bryan
Author
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Schulz, Ronald G.
Admission date
dc.date.accessioned
2021-12-16T18:47:24Z
Available date
dc.date.available
2021-12-16T18:47:24Z
Publication date
dc.date.issued
2021
Cita de ítem
dc.identifier.citation
Global Spine Journal (2021) Artículo 2192568221992313
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Identifier
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10.1177/2192568221992313
Identifier
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https://repositorio.uchile.cl/handle/2250/183267
Abstract
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Study Design: Single-center retrospective analysis of prospectively collected data.
Objective: Our aim was to compare the correction capacity in 3 planes of the VCA technique versus the AD technique in
neuromuscular scoliosis patients.
Methods: We analized patients with neuromuscular scoliosis that underwent posterior spinal fusion from 2013 to 2017 using
2 different techniques for correction: vertebral coplanar alignment (VCA) that takes into consideration the fact that the medial
cortex is more resistant than the lateral cortex, with more anchor points for better distribution of forces and ligamentotaxis and
the more widely spread apical derotation (AD) technique. Clinical, surgical, and radiographic information of patients operated on
with the AD technique were compared to those operated on with the VCA technique in the coronal, sagittal and axial plane at
pre-op, immediate post-op, and 2 year follow-up.
Results: 64 patients met inclusion criteria, 34 patients underwent the VCA technique and 30 patients underwent the AD
technique. The 2 cohorts did not differ in terms of demographics, clinical presentation or preoperative alignment. There were no
significant differences in the correction ability between both techniques regarding curve magnitude, apical vertebral rotation, or
pelvic obliquity. There was a significant decrease in thoracic kyphosis in the AD group compared to the VCA group in the
immediate postop period (4.2 + 26.6 for VCA and 13.2 + 21.3 for AD (p ¼ 0.048)).
Conclusion: Both apical derotation technique and vertebral coplanar alignment allow for correction in the 3 planes for patients
with neuromuscular scoliosis. VCA is a less hypokyphosing technique than AD.
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Lenguage
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en
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Publisher
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SAGE
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Type of license
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Attribution-NonCommercial-NoDerivs 3.0 United States